/* 
 * Copyright (c) 2009, Giora Kosoi giorak@gmail.com
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the project nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY Giora Kosoi ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL Giora Kosoi BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <sparrow/http_connection_manager.h>
#include <sparrow/reactor.h>
#include <sparrow/variant_headers.h>
#include <sparrow/util.h>
#include <sparrow/errors.h>
#include <sparrow/http_connection.h>

static void del_http_connection(void *p)
{
    HttpConnection *http_connection = (HttpConnection *)p;
    delete http_connection;
}

HttpConnectionManager::HttpConnectionManager(Reactor *r, const std::string &config_)
    :   Handler(r)
{
    register_input("new-connection", this, &HttpConnectionManager::new_connection);
    register_input("content-response", this, &HttpConnectionManager::content_response);
    register_input("error-response", this, &HttpConnectionManager::error_response);
}

HttpConnectionManager::~HttpConnectionManager()
{
}

void HttpConnectionManager::new_connection(VariantSet *v)
{
    printf("HttpConnectionManager::new_connection\n");

    HttpConnection *http_connection = new HttpConnection(get_reactor(), this, v);
    int64_t connection_token = http_connection->get_token();
    active_connections_.set(
            IntKey(connection_token), 
            new VariantPtr(http_connection, del_http_connection, true));
}

void HttpConnectionManager::content_response(VariantSet *v)
{
    int64_t connection_token = v->get("http-connection-token")->int64();
    HttpConnection *http_connection = (HttpConnection *)active_connections_.get(
            IntKey(connection_token), 
            std::nothrow);
    if(http_connection)
    {
        http_connection->content_response(v);
    }
    else
    {
        // log timeout
        delete v;
    }
    
}

void HttpConnectionManager::error_response(VariantSet *v)
{
    int64_t connection_token = v->get("http-connection-token")->int64();
    HttpConnection *http_connection = (HttpConnection *)active_connections_.get(
            IntKey(connection_token), 
            std::nothrow);
    if(http_connection)
    {
        http_connection->error_response(v);
    }
    else
    {
        // log timeout
        delete v;
    }
 }

void HttpConnectionManager::backend(HttpConnection *connection, VariantSet *v)
{
    v->set("http-connection-token", new VariantInt64(connection->get_token()));
    push("backend", v);
}

void HttpConnectionManager::error(HttpConnection *connection, VariantSet *v)
{
    v->set("http-connection-token", new VariantInt64(connection->get_token()));
    push("error", v);
}

void HttpConnectionManager::remove(HttpConnection *connection)
{
    int64_t connection_token = connection->get_token();
    active_connections_.remove(IntKey(connection_token));
}

